问题描述：
I often play ping-pong on Sundays.改成提问句 too,I,my,do,homework.连词成句 I like science
I often play ping-pong on Sundays.改成提问句
too,I,my,do,homework.连词成句
I like science 改为否定句
I often play ping-pong on Sundays.改成提问句
too,I,my,do,homework.连词成句
I like science 改为否定句
问题解答：
我来补答展开全文阅读